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Diffstat (limited to 'kernel/module.c')
-rw-r--r--kernel/module.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/kernel/module.c b/kernel/module.c
index b38f96a183b5..f80a97f7da1f 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -3107,7 +3107,7 @@ static noinline int do_init_module(struct module *mod)
*
* http://thread.gmane.org/gmane.linux.kernel/1420814
*/
- if (current->flags & PF_USED_ASYNC)
+ if (!mod->async_probe_requested && (current->flags & PF_USED_ASYNC))
async_synchronize_full();
mutex_lock(&module_mutex);
@@ -3237,10 +3237,19 @@ out:
return err;
}
-static int unknown_module_param_cb(char *param, char *val, const char *modname)
+static int unknown_module_param_cb(char *param, char *val, const char *modname,
+ void *arg)
{
+ struct module *mod = arg;
+ int ret;
+
+ if (strcmp(param, "async_probe") == 0) {
+ mod->async_probe_requested = true;
+ return 0;
+ }
+
/* Check for magic 'dyndbg' arg */
- int ret = ddebug_dyndbg_module_param_cb(param, val, modname);
+ ret = ddebug_dyndbg_module_param_cb(param, val, modname);
if (ret != 0)
pr_warn("%s: unknown parameter '%s' ignored\n", modname, param);
return 0;
@@ -3342,7 +3351,8 @@ static int load_module(struct load_info *info, const char __user *uargs,
/* Module is ready to execute: parsing args may do that. */
after_dashes = parse_args(mod->name, mod->args, mod->kp, mod->num_kp,
- -32768, 32767, unknown_module_param_cb);
+ -32768, 32767, NULL,
+ unknown_module_param_cb);
if (IS_ERR(after_dashes)) {
err = PTR_ERR(after_dashes);
goto bug_cleanup;